High tenacity crimped tow and process

ABSTRACT

A PROCESS IS DISCLOSED FOR PRODUCING A DRAWN, CRIMPED TOW (FOR STAPLE) HAVING INCREASED TENACITY BY: COMBINING A MULTIPLICITY OF ENDS OF DRAWN HIGH TENACITY INDUSTRIAL YARN OF A SYNTHETIC POLYMERIC MATERIAL TO FORM A TOW, HEATING AND PLASTICIZING THE TOW AND CRIMPING THE TOW SO PLASTICIZED.

r77 a ."PRKWTI UNr'rED STATES PATENT AND TRADEMARK OFFICE "Published at the request 0E the applicant or owner in accordance with the Notice of Dec. 1 6, 196 9, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered seriesanrl are arranged chronologically. The heading of each abstract indicates the number cl pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheer.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent and Trademark Office malzcs no assertion as to the novelty of the disclosed subject matter.

PUBLlSl El) JULY 1, 1975 a 1 Sheet Drawing. '7 Pages Specification A process is disclosed for producing a drawn, crimped tow (for staple) having increased tenacity by: combining a multiplicity of ends of drawn high tenacity industrial yarn of a synthetic polymeric material to form a tow, heating and plasticizing the tow and crimping the low so plasticized.

July 1, 1975 R. R. KRAMER HIGH TENACITY CRIMPED TOW AND PROCESS Original Filed Nov. 15, 1972 

